Retaining clip for writing instruments



FIG. 1 is a left front perspective view of a retaining clip for writinginstruments showing my new design;

FIG. 2 is a right front perspective view;

FIG. 3 is a rear elevational view; and,

FIG. 4 is a top plan view thereof.

The ornamental design for a retaining clip for writing instruments, asshown and described.